A favorite (counter-clock) Portola Valley Loop, with an out-and-back to the top of Alpine Road, and a short tour of the Stanford Campus. Lunch at Amigos Grill in Ladera. Meet Chris Madden (cmadden8194@gmail.com, 408-209-9410) at the Burgess Park Baseball Field on Alma Street in Menlo Park at 10:00am for a 10:15am departure. Rain or AQI>100 cancels.